Indeed, the title is the usual nonsense. Sales within a niche like this will always fluctuate. When someone spots a slight increase, they jump at the chance to wheel out this kind of headline. The article itself doesn't give hard numbers, just says UK sales "reached their highest level since 2003" - meaningless since cassette sales had died long before then. It links to an article that says there were "195,000 units sold last year" - so, next to nothing.

I recall one point around 10-15 years ago, websites were simultaneously proclaiming the death of CDs because sales for the year had just dropped below 100 million, and the revival of vinyl because sales were approaching 1 million in the same timespan. Of course, the takeaway for many young people was that vinyl was outselling CDs.

I'm pretty sure these articles are planted by PR firms working for the music publishers they talk about. There are plenty of people happy to be told what's currently "cool" and they'll obediently go out and buy them.